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  • Password strength check

    Updated July 5, 2026

    How strong is your password? Check it here, right in your browser, against the NIST guidelines. What you type never leaves your device and is never stored.

  • Check active sessions: who is logged into your accounts?

    Updated July 21, 2026

    Every major service keeps a list of signed-in devices and connected apps. Five minutes in that list tells you whether someone else is reading along – and ends …

  • Check a link before you click

    Updated July 14, 2026

    One click usually decides whether a scam works. Reading an address correctly takes ten seconds, needs no software, and defeats most attempts outright.

  • Test your tracking protection: how unique is your browser?

    Updated July 2, 2026

    Ad networks recognize you without cookies, from the combination of your browser settings. Here is how to test your protection for free – and how to read the …

  • Check app permissions: the 10-minute cleanup

    Updated July 9, 2026

    Location, microphone, contacts: a lot of apps take more access than they need. Here is how to clean it up in ten minutes, on Android and iPhone.

  • Check your home network: what is on your Wi-Fi?

    Updated June 18, 2026

    Most homes have far more devices on Wi-Fi than anyone realizes. Here is how to get a complete picture in ten minutes – straight from your router, no extra …

  • Test your backup: does it actually restore?

    Updated June 25, 2026

    A backup you have never restored from is a hope, not a backup. This 20-minute test tells you for certain whether your files will come back when it counts.